It will take 30 minutes more for remaining grass.
As he mowed 40% in 20 minutes, it shows that he mows twice percentage of grass in the time calculated in minutes.
So it will take 30 minutes for remaining 60% grass.
        
             
        
        
        
(B) carlos: 920 - 300 = 680
 Rita: 980 - 375 = 680 
(Sorry i could only answer B :(
        
                    
             
        
        
        
Amount paid by Mary for her computer is  .
.
<u>Solution:
</u>
Given that, Sam purchased a computer for  .
.
Price of the printer that Mary purchased was  the price that Sam paid.
 the price that Sam paid.
Need to calculate amount Mary pay for her computer.  Assuming that Mary purchased same computer that is purchased by Sam and store selling the computer have same rates for all customers
.
So, amount Mary pay for computer = Amount Sam paid for computer =  
Hence, amount paid by Mary for her computer is  .
.
 
        
             
        
        
        
Answer:
52
Step-by-step explanation:
W====~~~
 
        
             
        
        
        
Do the vertical line test and draw a straight line.
Solution: C represents a function